Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant
Autor(a) principal: | |
---|---|
Data de Publicação: | 2021 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Ambiente & Água |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2021000500308 |
Resumo: | Abstract The demand for food production brings with it the increase of effluent generation, which represents a great problem for slaughterhouses, since effluents contain higher organic load, requiring adequate treatment to decrease environmental impacts. This study examines an alternative to solve this problem: the application of electrocoagulation in the treatment of anaerobic slaughterhouse and packing plant effluents, as this promising technique is both compact and robust. The removal of color, COD and turbidity was analyzed, and the operational cost was calculated. To optimize the process, the CCRD (central composite rotatable design) methodology was used with two independent variables: electric current density and electrolysis time, obtaining a complete factorial of 2² with 4 axial points and 4 repetitions at the central point. The most expressive removals were: 87%, 80% and 76% for color, COD and turbidity, respectively, the lower operational cost obtained was 0.12 US$.m-3. The statistical analysis allowed obtaining valid mathematical models for color removal and cost and, through the analysis of desirability, it was found that for current density of 8 mA.cm-2 and time of 20 minutes it is possible to maximize color removal (84%) and minimize the cost (0.21 US$.m-3). |
id |
IPABHI-1_fcdabd730e3f2615c56d2488dc4e253d |
---|---|
oai_identifier_str |
oai:scielo:S1980-993X2021000500308 |
network_acronym_str |
IPABHI-1 |
network_name_str |
Revista Ambiente & Água |
repository_id_str |
|
spelling |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plantcolorcostCODturbidityAbstract The demand for food production brings with it the increase of effluent generation, which represents a great problem for slaughterhouses, since effluents contain higher organic load, requiring adequate treatment to decrease environmental impacts. This study examines an alternative to solve this problem: the application of electrocoagulation in the treatment of anaerobic slaughterhouse and packing plant effluents, as this promising technique is both compact and robust. The removal of color, COD and turbidity was analyzed, and the operational cost was calculated. To optimize the process, the CCRD (central composite rotatable design) methodology was used with two independent variables: electric current density and electrolysis time, obtaining a complete factorial of 2² with 4 axial points and 4 repetitions at the central point. The most expressive removals were: 87%, 80% and 76% for color, COD and turbidity, respectively, the lower operational cost obtained was 0.12 US$.m-3. The statistical analysis allowed obtaining valid mathematical models for color removal and cost and, through the analysis of desirability, it was found that for current density of 8 mA.cm-2 and time of 20 minutes it is possible to maximize color removal (84%) and minimize the cost (0.21 US$.m-3).Instituto de Pesquisas Ambientais em Bacias Hidrográficas2021-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2021000500308Revista Ambiente & Água v.16 n.5 2021reponame:Revista Ambiente & Águainstname:Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI)instacron:IPABHI10.4136/ambi-agua.2745info:eu-repo/semantics/openAccessSilva,Flavia Manente daOrssatto,FábioEyng,EduardoFrare,Laercio MantovaniBaraldi,Ilton JoséFleck,Leandroeng2021-10-27T00:00:00Zoai:scielo:S1980-993X2021000500308Revistahttp://www.ambi-agua.net/PUBhttps://old.scielo.br/oai/scielo-oai.php||ambi.agua@gmail.com1980-993X1980-993Xopendoar:2021-10-27T00:00Revista Ambiente & Água - Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI)false |
dc.title.none.fl_str_mv |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
title |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
spellingShingle |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant Silva,Flavia Manente da color cost COD turbidity |
title_short |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
title_full |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
title_fullStr |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
title_full_unstemmed |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
title_sort |
Evaluation of electrocoagulation in the post-treatment of anaerobic wastewater of slaughterhouse and packing plant |
author |
Silva,Flavia Manente da |
author_facet |
Silva,Flavia Manente da Orssatto,Fábio Eyng,Eduardo Frare,Laercio Mantovani Baraldi,Ilton José Fleck,Leandro |
author_role |
author |
author2 |
Orssatto,Fábio Eyng,Eduardo Frare,Laercio Mantovani Baraldi,Ilton José Fleck,Leandro |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Silva,Flavia Manente da Orssatto,Fábio Eyng,Eduardo Frare,Laercio Mantovani Baraldi,Ilton José Fleck,Leandro |
dc.subject.por.fl_str_mv |
color cost COD turbidity |
topic |
color cost COD turbidity |
description |
Abstract The demand for food production brings with it the increase of effluent generation, which represents a great problem for slaughterhouses, since effluents contain higher organic load, requiring adequate treatment to decrease environmental impacts. This study examines an alternative to solve this problem: the application of electrocoagulation in the treatment of anaerobic slaughterhouse and packing plant effluents, as this promising technique is both compact and robust. The removal of color, COD and turbidity was analyzed, and the operational cost was calculated. To optimize the process, the CCRD (central composite rotatable design) methodology was used with two independent variables: electric current density and electrolysis time, obtaining a complete factorial of 2² with 4 axial points and 4 repetitions at the central point. The most expressive removals were: 87%, 80% and 76% for color, COD and turbidity, respectively, the lower operational cost obtained was 0.12 US$.m-3. The statistical analysis allowed obtaining valid mathematical models for color removal and cost and, through the analysis of desirability, it was found that for current density of 8 mA.cm-2 and time of 20 minutes it is possible to maximize color removal (84%) and minimize the cost (0.21 US$.m-3). |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2021000500308 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2021000500308 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.4136/ambi-agua.2745 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas |
publisher.none.fl_str_mv |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas |
dc.source.none.fl_str_mv |
Revista Ambiente & Água v.16 n.5 2021 reponame:Revista Ambiente & Água instname:Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI) instacron:IPABHI |
instname_str |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI) |
instacron_str |
IPABHI |
institution |
IPABHI |
reponame_str |
Revista Ambiente & Água |
collection |
Revista Ambiente & Água |
repository.name.fl_str_mv |
Revista Ambiente & Água - Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI) |
repository.mail.fl_str_mv |
||ambi.agua@gmail.com |
_version_ |
1752129751716200448 |